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Bison can withstand the frigid temperatures of Yellowstone better than most of the Park's residents. Their warm winter coat is actually made up of two separate layers; an outer layer of thick wool which blocks the elements and an inner layer that traps warm air to help them stay warm in the coldest weather.
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Bison
Bison can withstand the frigid temperatures of Yellowstone better than most of the Park's residents. Their warm winter coat is actually made up of two separate layers; an outer layer of thick wool which blocks the elements and an inner layer that traps warm air to help them stay warm in the coldest weather.